<template>
  <div class="cartcontrol">
    <transition name="move">
      <div class="cart-decrease"
           v-show="food.count > 0"
           @click.stop.prevent="decreaseCart">
        <div class="inner icon-remove_circle_outline"></div>
      </div>
    </transition>
    <div class="cart-count" v-show="food.count > 0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop.prevent="addCart"></div>
  </div>
</template>

<script type="text/ecmascript-6">
  import Vue from 'vue';
  export default {
    name: 'cartcontrol',
    props: {
      food: {
        type: Object,
        default () {
          return {};
        }
      }
    },
    methods: {
      addCart (event) {
        if (!this.food.count) {
          Vue.set(this.food, 'count', 1);
        } else {
          this.food.count++;
        }
        this.$emit('cart-add', event.target);
      },
      decreaseCart () {
        if (this.food.count) {
          this.food.count--;
        }
      }
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size: 0
    .cart-decrease
      display inline-block
      padding 6px
      transition all 0.4s linear
      &.move-enter-active, &.move-leave-active
        opacity 1
        transfrom: translate3d(0, 0, 0)
        .inner
          transform rotate(0)
      .inner
        display inline-block
        line-height: 24px
        font-size: 24px
        color: rgb(0,160,220)
        transition all 0.4s linear
      &.move-enter, &.move-leave-to
        opacity 0
        transform: translate3d(24px, 0, 0)
        .inner
          transform rotate(180deg)
    .cart-count
      display inline-block
      vertical-align top
      padding-top: 6px
      width: 12px
      line-height: 24px
      text-align: center
      font-size: 10px
      color: rgb(147,153,159)
    .cart-add
      display inline-block
      padding 6px
      line-height: 24px
      font-size: 24px
      color: rgb(0,160,220)
</style>
